Re: quality..
"Paying for a gaming video card that can do 4k , is an extra dimension of pointlessness . Unless you are playing the game in a CINEMA"
Or are using a very large screen in the traditional position of a computer monitor (just a foot or two away) meaning you can actually see the pixels that close up and being able to discern detail from a longer distance can make a difference in say an FPS where you're in a sniper duel.